Quotient of the decimal representation of concatenated twin primes in reverse divided by 3.

Terms

a(0) =17a(1) =25a(2) =437a(3) =639a(4) =1043a(5) =1447a(6) =2053a(7) =2457a(8) =34367a(9) =36369a(10) =46379a(11) =50383a(12) =60393a(13) =64397a(14) =66399a(15) =76409a(16) =80413a(17) =90423a(18) =94427a(19) =104437a(20) =116449a(21) =140473a(22) =144477a(23) =154487a(24) =174507a(25) =190523a(26) =200533a(27) =206539a(28) =214547a(29) =220553